Identificación de agentes causantes de enfermedades en plantulas forestales, en Fondebosque – Juan Guerra- San Martín

• Autor: Delgado Lapiz, Eduar
• Formato: tesis de grado
• Fecha de Publicación: 2009
• Institución: Universidad Nacional de San Martin - Tarapoto
• Repositorio: UNSM-Institucional
• Lenguaje: español
• OAI Identifier: oai:repositorio.unsm.edu.pe:11458/1208
• Enlace del recurso: http://hdl.handle.net/11458/1208
• Nivel de acceso: acceso abierto
• Materia: Patógenos de plántulas forestales

The purpose of this research work was to identify, describe and document origin fungal diseases that cause death in seedlings of forest species under nursery conditions in the district of Juan Guerra, Región San Martín. This work was carried out in response to the lack of technical information documented and originated in the middle on this issue, which leads the producers do not engage in forest management suitable to the specific case of the disease, to detect them, pesticide applications performed so unfortunate that causes economic problems for the forest manager, and environmental, among others. Samples were taken with symptoms of diseases such samples were sent for examination to the Center for Plant Health Diagnostic Service National Agricultural Health - SENASA Lima. After the analysis was diagnosed in 10 different genera of pathogenic fungi which were: Armillaria sp., Colletotrichum dematium, Colletotrichum gloeosporioides, Cylindrocladium sp., Fusarium oxysporum, Lasiodiplodia theobromae, Phoma sp., Phomopsis sp., Phyllosticta sp., Rhizoctonia sp. ; affecting root and leaves of forest seedlings. At the end of the investigation provided information on the host, symptoms and morphological characteristics of the pathogens identified